Multiple SQL injection vulnerabilities in Exponent CMS before 2.4.0 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter in an activate_address address controller action, (2) title parameter in a show blog controller action, or (3) content_id parameter in a showComments expComment controller action.
Conclusion & alert: CVE-2016-7400 is rated High Exploit Risk (80.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.65%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 40412 | exploit_db | edb | 2016-09-22 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 19.42% | 4.65% | -14.77% |
| 2 | 2026-03-03 | 16.53% | 19.42% | +2.89% |
| 3 | 2025-12-03 | — | 16.53% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| exponentcms | exponent_cms | <= 2.3.9 | cpe:2.3:a:exponentcms:exponent_cms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/18/10 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/09/18/2 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/93041 | Third Party Advisory VDB Entry |
| https://exponentcms.lighthouseapp.com/projects/61783/changesets/e916702a91a6342bbab483a2be2ba2f11dca3aa3 | Patch Vendor Advisory |
| https://github.com/exponentcms/exponent-cms/commit/e916702a91a6342bbab483a2be2ba2f11dca3aa3 | Issue Tracking Patch Third Party Advisory |
| https://github.com/exponentcms/exponent-cms/releases/tag/v2.4.0 | |
| https://www.exploit-db.com/exploits/40412/ |